#309488
Closest named color: Blue Green (#0F9B8E). oklch(60.6% 0.093 183.8), rgb(48, 148, 136).
Aa
Black text reads best on this color (5.71:1).
About this color
#309488 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.093 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.021 away. Black text reads best on it, at 5.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #309488 |
| RGB | rgb(48, 148, 136) |
| HSL | hsl(173, 51%, 38%) |
| OKLCH | oklch(60.6% 0.093 183.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #309488 | 3.67:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #309488 | 5.71:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #309488 text on white | 3.67:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #309488 text on black | 5.71:1 | AA | Lc -37.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C8DFDB
oklch(88.5% 0.025 184.2)
-
Step 300
300
#A1CBC4
oklch(81% 0.045 183.9)
-
Step 400
400
#6AB0A5
oklch(70.8% 0.073 183.1)
-
Step 500
500 (this color)
#309488
oklch(60.6% 0.093 183.8)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#0F4C45
oklch(37.7% 0.061 183.6)
-
Step 950
950
#0C2C28
oklch(26.8% 0.038 183.9)
#309488 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8D8C88 | 0.098 |
| Deuteranopia (no green cones) | #7E8189 | 0.092 |
| Tritanopia (no blue cones) | #009790 | 0.016 |
| Achromatopsia (no color) | #858585 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309488
#309488
oklch(60.6% 0.093 183.8)
- #B06A7C
#B06A7C
oklch(60.6% 0.092 3.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #309488, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.021
- Dusty Teal #4C9085 ΔE 0.021
- Sea #3C9992 ΔE 0.022
- Teal Green #0A9396 ΔE 0.025
- Persian Green #2A9D8F ΔE 0.026
- Dark Cyan #008B8B ΔE 0.035
- Ocean Green #3D9973 ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.045
Use #309488 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.